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State Guide

EIN in Idaho (ID)

How to get an EIN for your Idaho business. The EIN is a federal number from the IRS. Idaho has 5.695% flat state income tax.

Getting an EIN in Idaho follows the same federal IRS process as every other state. The EIN is a federal number — not state-specific. Idaho (ID) has 5.695% flat state income tax. Your EIN (XX-XXXXXXX) is issued by the IRS and works nationwide. Apply free at irs.gov (SSN required) or through ein.so ($49 for non-residents).

Idaho

EIN in Idaho (ID)

| Detail | Information | |--------|------------| | State | Idaho (ID) | | State Income Tax | 5.695% flat state income tax | | LLC Filing Fee | $100 filing fee | | State Tax Authority | State Tax Commission | | Federal EIN | Same as all states (IRS) | | EIN Cost | $0 (IRS) / $49 (ein.so) |

Federal EIN vs Idaho State Tax ID

Your federal EIN and Idaho state tax registration are separate:

  • Federal EIN — From IRS, for federal taxes (Form SS-4)
  • Idaho State Tax ID — From State Tax Commission, for state taxes

You may need both. Your EIN does not replace state tax registration.

See state tax ID for more details.

How to Apply

How to Get an EIN in Idaho

| Method | Speed | Cost | |--------|-------|------| | Online | Instant | Free | | Fax | 4-7 days | Free/$49 | | Phone | Same day | Free | | Mail | 4-6 weeks | Free |

The process is identical regardless of state. See how to get an EIN for complete instructions.

Idaho Business Requirements After EIN

  1. Register with State Tax Commission for state taxes
  2. Obtain local business licenses
  3. File BOI report with FinCEN (federal)
  4. Open a business bank account

Other States

EIN in Other States

Nebraska | Hawaii | New Hampshire | Maine

Browse all: EIN by State

Apply for your EIN — $49

Frequently Asked Questions

Is a Idaho EIN different from a federal EIN?

No. The EIN is a federal number issued by the IRS. It is the same 9-digit number regardless of which state you operate in. Idaho does not issue its own version of an EIN.

How do I get an EIN in Idaho?

Apply through the IRS: online at irs.gov (instant, SSN required), by fax to 855-215-1627 (4-7 days), by phone at 800-829-4933 (same day), or through ein.so ($49 for non-residents).

Does Idaho have a state tax ID?

Yes. Idaho issues its own state tax registration through the State Tax Commission. This is separate from your federal EIN. You may need both depending on your business activities in Idaho.

How much does it cost to get an EIN in Idaho?

The EIN is free from the IRS ($0). Idaho LLC formation costs $100 filing fee. ein.so charges $49 for EIN filing assistance for non-residents.

What is the Idaho state income tax rate?

Idaho has 5.695% flat state income tax. This is separate from federal taxes. Your EIN is used for federal tax reporting, while your state tax ID is used for Idaho state taxes.

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